LIFEBUOY


Meaning of LIFEBUOY in English

/ ˈlaɪfbɔɪ; NAmE ; NAmE also ˈbuːi/ noun

a piece of material that floats well, used to rescue sb who has fallen into water, by keeping them above water

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.